Undoubtedly one of the best, most detailed, early maps of Long Island. Although labeled a geological map, its hand coloring, detailing of roads, villages, communities, and other political information make it a most desirable map. It covers Long Island and the rest of southern New York state, as well as Westchester and Rockland counties and northeastern New Jersey. At bottom right is a large inset of "New York Island" detailing the major streets and topography. A huge map on two sheets joined, as issued. From the topographical surveys of J. Calvin Smith, lithographed by Endicott.

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Condition: B

On thick paper, folding as issued, with full margins. A little light toning or soiling, else very good.